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Date: Tue, 16 Jun 2015 19:39:36 +0800
From: Daniel Kurtz <djkurtz@...omium.org>
To: Chaotian Jing <chaotian.jing@...iatek.com>
Cc: Rob Herring <robh+dt@...nel.org>,
Matthias Brugger <matthias.bgg@...il.com>,
Chris Ball <chris@...ntf.net>,
Ulf Hansson <ulf.hansson@...aro.org>,
Mark Rutland <mark.rutland@....com>,
James Liao <jamesjj.liao@...iatek.com>,
Russell King - ARM Linux <linux@....linux.org.uk>,
srv_heupstream <srv_heupstream@...iatek.com>,
Arnd Bergmann <arnd@...db.de>,
"open list:OPEN FIRMWARE AND..." <devicetree@...r.kernel.org>,
Hongzhou Yang <hongzhou.yang@...iatek.com>,
Catalin Marinas <catalin.marinas@....com>,
bin.zhang@...iatek.com, linux-mmc@...r.kernel.org,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
Will Deacon <will.deacon@....com>, linux-gpio@...r.kernel.org,
linux-mediatek@...ts.infradead.org,
Sascha Hauer <kernel@...gutronix.de>,
"Joe.C" <yingjoe.chen@...iatek.com>,
Eddie Huang <eddie.huang@...iatek.com>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>,
Henry Chen <henryc.chen@...iatek.com>
Subject: Re: [PATCH v6 4/7] arm64: dts: mediatek: Add MT8173 MMC dts
Hi Chaotian,
On Mon, Jun 15, 2015 at 7:20 PM, Chaotian Jing
<chaotian.jing@...iatek.com> wrote:
> From: Eddie Huang <eddie.huang@...iatek.com>
>
> Add node mmc0 ~ mmc3 for mt8173.dtsi
> Add node mmc0, mmc1 for mt8173-evb.dts
>
> Signed-off-by: Chaotian Jing <chaotian.jing@...iatek.com>
> Signed-off-by: Eddie Huang <eddie.huang@...iatek.com>
> ---
> arch/arm64/boot/dts/mediatek/mt8173-evb.dts | 126 ++++++++++++++++++++++++++++
> arch/arm64/boot/dts/mediatek/mt8173.dtsi | 45 +++++++++-
> 2 files changed, 170 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm64/boot/dts/mediatek/mt8173-evb.dts b/arch/arm64/boot/dts/mediatek/mt8173-evb.dts
> index b1560c9..762ec61 100644
> --- a/arch/arm64/boot/dts/mediatek/mt8173-evb.dts
> +++ b/arch/arm64/boot/dts/mediatek/mt8173-evb.dts
> @@ -33,6 +33,132 @@
> chosen { };
> };
>
> +&mmc0 {
> + pinctrl-names = "default", "state_uhs";
> + pinctrl-0 = <&mmc0_pins_default>;
> + pinctrl-1 = <&mmc0_pins_uhs>;
> + status = "okay";
> + bus-width = <8>;
> + max-frequency = <50000000>;
> + cap-mmc-highspeed;
> + vmmc-supply = <&mt6397_vemc_3v3_reg>;
> + vqmmc-supply = <&mt6397_vio18_reg>;
> + non-removable;
> +};
> +
> +&mmc1 {
> + pinctrl-names = "default", "state_uhs";
> + pinctrl-0 = <&mmc1_pins_default>;
> + pinctrl-1 = <&mmc1_pins_uhs>;
> + status = "okay";
> + bus-width = <4>;
> + max-frequency = <50000000>;
> + cap-sd-highspeed;
> + sd-uhs-sdr25;
> + cd-gpios = <&pio 132 0>;
> + vmmc-supply = <&mt6397_vmch_reg>;
> + vqmmc-supply = <&mt6397_vmc_reg>;
> +};
> +
> +&pio {
> + mmc0_pins_default: mmc0default {
> + pins_cmd_dat {
> + pinmux = <MT8173_PIN_57_MSDC0_DAT0__FUNC_MSDC0_DAT0>,
> + <MT8173_PIN_58_MSDC0_DAT1__FUNC_MSDC0_DAT1>,
> + <MT8173_PIN_59_MSDC0_DAT2__FUNC_MSDC0_DAT2>,
> + <MT8173_PIN_60_MSDC0_DAT3__FUNC_MSDC0_DAT3>,
> + <MT8173_PIN_61_MSDC0_DAT4__FUNC_MSDC0_DAT4>,
> + <MT8173_PIN_62_MSDC0_DAT5__FUNC_MSDC0_DAT5>,
> + <MT8173_PIN_63_MSDC0_DAT6__FUNC_MSDC0_DAT6>,
> + <MT8173_PIN_64_MSDC0_DAT7__FUNC_MSDC0_DAT7>,
> + <MT8173_PIN_66_MSDC0_CMD__FUNC_MSDC0_CMD>;
> + input-enable;
> + bias-pull-up;
> + };
> +
> + pins_clk {
> + pinmux = <MT8173_PIN_65_MSDC0_CLK__FUNC_MSDC0_CLK>;
> + bias-pull-down;
> + };
> +
> + pins_rst {
> + pinmux = <MT8173_PIN_68_MSDC0_RST___FUNC_MSDC0_RSTB>;
> + bias-pull-up;
> + };
> + };
> +
> + mmc1_pins_default: mmc1default {
> + pins_cmd_dat {
> + pinmux = <MT8173_PIN_73_MSDC1_DAT0__FUNC_MSDC1_DAT0>,
> + <MT8173_PIN_74_MSDC1_DAT1__FUNC_MSDC1_DAT1>,
> + <MT8173_PIN_75_MSDC1_DAT2__FUNC_MSDC1_DAT2>,
> + <MT8173_PIN_76_MSDC1_DAT3__FUNC_MSDC1_DAT3>,
> + <MT8173_PIN_78_MSDC1_CMD__FUNC_MSDC1_CMD>;
> + input-enable;
> + drive-strength = <MTK_DRIVE_4mA>;
> + bias-pull-up = <MTK_PUPD_SET_R1R0_10>;
> + };
> +
> + pins_clk {
> + pinmux = <MT8173_PIN_77_MSDC1_CLK__FUNC_MSDC1_CLK>;
> + bias-pull-down;
> + drive-strength = <MTK_DRIVE_4mA>;
> + };
> +
> + pins_insert {
> + pinmux = <MT8173_PIN_132_I2S0_DATA1__FUNC_GPIO132>;
> + bias-pull-up;
> + };
> + };
> +
> + mmc0_pins_uhs: mmc0@0{
> + pins_cmd_dat {
> + pinmux = <MT8173_PIN_57_MSDC0_DAT0__FUNC_MSDC0_DAT0>,
> + <MT8173_PIN_58_MSDC0_DAT1__FUNC_MSDC0_DAT1>,
> + <MT8173_PIN_59_MSDC0_DAT2__FUNC_MSDC0_DAT2>,
> + <MT8173_PIN_60_MSDC0_DAT3__FUNC_MSDC0_DAT3>,
> + <MT8173_PIN_61_MSDC0_DAT4__FUNC_MSDC0_DAT4>,
> + <MT8173_PIN_62_MSDC0_DAT5__FUNC_MSDC0_DAT5>,
> + <MT8173_PIN_63_MSDC0_DAT6__FUNC_MSDC0_DAT6>,
> + <MT8173_PIN_64_MSDC0_DAT7__FUNC_MSDC0_DAT7>,
> + <MT8173_PIN_66_MSDC0_CMD__FUNC_MSDC0_CMD>;
> + input-enable;
> + drive-strength = <MTK_DRIVE_2mA>;
> + bias-pull-up = <MTK_PUPD_SET_R1R0_01>;
> + };
> +
> + pins_clk {
> + pinmux = <MT8173_PIN_65_MSDC0_CLK__FUNC_MSDC0_CLK>;
> + drive-strength = <MTK_DRIVE_2mA>;
> + bias-pull-down = <MTK_PUPD_SET_R1R0_01>;
> + };
> +
> + pins_rst {
> + pinmux = <MT8173_PIN_68_MSDC0_RST___FUNC_MSDC0_RSTB>;
> + bias-pull-up;
> + };
> + };
> +
> + mmc1_pins_uhs: mmc1@0 {
> + pins_cmd_dat {
> + pinmux = <MT8173_PIN_73_MSDC1_DAT0__FUNC_MSDC1_DAT0>,
> + <MT8173_PIN_74_MSDC1_DAT1__FUNC_MSDC1_DAT1>,
> + <MT8173_PIN_75_MSDC1_DAT2__FUNC_MSDC1_DAT2>,
> + <MT8173_PIN_76_MSDC1_DAT3__FUNC_MSDC1_DAT3>,
> + <MT8173_PIN_78_MSDC1_CMD__FUNC_MSDC1_CMD>;
> + input-enable;
> + drive-strength = <MTK_DRIVE_4mA>;
> + bias-pull-up = <MTK_PUPD_SET_R1R0_10>;
> + };
> +
> + pins_clk {
> + pinmux = <MT8173_PIN_77_MSDC1_CLK__FUNC_MSDC1_CLK>;
> + drive-strength = <MTK_DRIVE_4mA>;
> + bias-pull-down = <MTK_PUPD_SET_R1R0_10>;
> + };
> + };
> +};
> +
> &pwrap {
> pmic: mt6397 {
> compatible = "mediatek,mt6397";
> diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
> index 512e4eb..56ea429 100644
> --- a/arch/arm64/boot/dts/mediatek/mt8173.dtsi
> +++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
> @@ -288,7 +288,50 @@
> reg = <0 0x19000000 0 0x1000>;
> #clock-cells = <1>;
> };
> - };
>
> + mmc0: mmc@...30000 {
> + compatible = "mediatek,mt8173-mmc",
> + "mediatek,mt8135-mmc";
> + reg = <0 0x11230000 0 0x1000>;
> + interrupts = <GIC_SPI 71 IRQ_TYPE_LEVEL_LOW>;
> + clocks = <&pericfg CLK_PERI_MSDC30_0>,
> + <&topckgen CLK_TOP_MSDC50_0_H_SEL>;
> + clock-names = "source", "hclk";
> + status = "disabled";
> + };
> +
> + mmc1: mmc@...40000 {
> + compatible = "mediatek,mt8173-mmc",
> + "mediatek,mt8135-mmc";
> + reg = <0 0x11240000 0 0x1000>;
> + interrupts = <GIC_SPI 72 IRQ_TYPE_LEVEL_LOW>;
> + clocks = <&pericfg CLK_PERI_MSDC30_1>,
> + <&clk_null>;
This requires a "clk_null" phandle, but I have not seen a patch adding
that on the public list.
Did I miss a patch?
-Dan
> + clock-names = "source", "hclk";
> + status = "disabled";
> + };
> +
> + mmc2: mmc@...50000 {
> + compatible = "mediatek,mt8173-mmc",
> + "mediatek,mt8135-mmc";
> + reg = <0 0x11250000 0 0x1000>;
> + interrupts = <GIC_SPI 73 IRQ_TYPE_LEVEL_LOW>;
> + clocks = <&pericfg CLK_PERI_MSDC30_2>,
> + <&clk_null>;
> + clock-names = "source", "hclk";
> + status = "disabled";
> + };
> +
> + mmc3: mmc@...60000 {
> + compatible = "mediatek,mt8173-mmc",
> + "mediatek,mt8135-mmc";
> + reg = <0 0x11260000 0 0x1000>;
> + interrupts = <GIC_SPI 74 IRQ_TYPE_LEVEL_LOW>;
> + clocks = <&pericfg CLK_PERI_MSDC30_3>,
> + <&topckgen CLK_TOP_MSDC50_2_H_SEL>;
> + clock-names = "source", "hclk";
> + status = "disabled";
> + };
> + };
> };
>
> --
> 1.8.1.1.dirty
>
>
> _______________________________________________
> Linux-mediatek mailing list
> Linux-mediatek@...ts.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-mediatek
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